In between of Jan 19th and 23rd, joining together with Cisco, China Open SDN Committee (COS) held the second open source ODL bootcamp and hackathon in Shenzhen university. With the excellent guidance from Cisco’s experienced ODL experts, 45 students/engineers who were selected from 38 top universities and 28 companies in China, have systematically learned the architect, technology as well as in-depth module development of ODL, and have conducted some targeted practices there as well. Participants of the ODL hackathon worked together day and night to put what they had learned into practice, with great passion and serious attitude. No single member was absent during the whole event. Thanks to this bootcamp, not only has the passion for open source SDN/ODL technology from the Chinese network employees, been further boosted, but also the impact of SDN/ODL to the research work in China has been widely expanded.